Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 85 · 40 questions

What you do (Up as vapour, down as drops): 1. Pour some water into the big bowl and stand the small cup in the middle. 2. Cover the bowl tightly with cling film. 3. Put a few ice cubes on top of the film, over the cup. 4. Leave it in the sun for an hour and look for drops in the cup.

1. 1.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? What do we do with “how many drops form”? (a) we measure it (b) we keep it the same (c) we change it
2. 2.🧺 Do we need a magnet for the water cycle bowl? (a) not needed (b) needed
3. 3.🧺 Which of these is not needed for the water cycle bowl? (a) a big bowl (b) cling film (c) ice cubes (d) turmeric powder
4. 4.True or false: sunlight is needed for the water cycle bowl. (a) False (b) True
5. 5.💧 Which of these is melting? (a) butter going runny (b) wet hair drying (c) a puddle drying up (d) wet clothes drying
6. 6.💧 Which change is this: ice becoming water? (a) melting (b) condensation (c) evaporation (d) freezing
7. 7.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) turmeric powder (c) sunlight (d) cling film
8. 8.🧺 Which of these is not needed for the water cycle bowl? (a) ice cubes (b) a small cup (c) a battery cell (d) a big bowl
9. 9.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? Which of these is kept the same? (a) how many drops form (b) sun or shade (c) the time we wait
10. 10.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? What do we do with “the cling film cover”? (a) we keep it the same (b) we change it (c) we measure it
11. 11.True or false: wet hair drying is evaporation. (a) True (b) False
12. 12.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass leaks (b) the glass sweats (c) ice escapes the glass (d) vapour in air cools
13. 13.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? What do we do with “the size of the bowl”? (a) we change it (b) we measure it (c) we keep it the same
14. 14.True or false: a battery cell is not needed for the water cycle bowl. (a) False (b) True
15. 15.True or false: water is not needed for the water cycle bowl. (a) True (b) False
16. 16.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: the time we wait is the one thing we change. (a) False (b) True
17. 17.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) a magnet (c) sunlight (d) cling film
18. 18.🧺 Do we need water for the water cycle bowl? (a) not needed (b) needed
19. 19.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) the bowl freezes (b) fewer drops form (c) more drops form (d) the water turns red
20. 20.🛟 What should you do with wet floors after the experiment? (a) leave them wet (b) wipe them dry (c) pour more water (d) slide on them
21. 21.📘 What is water vapour? (a) tiny ice cubes (b) a kind of smoke (c) water as a gas (d) salty water
22. 22.💧 Which change is this: drops on a cold glass? (a) evaporation (b) freezing (c) melting (d) condensation
23. 23.🧺 Which of these is needed for the water cycle bowl? (a) a battery cell (b) yeast (c) a magnet (d) a big bowl
24. 24.🛟 Why should only a grown-up handle any hot water? (a) hot water can scald (b) it changes colour (c) hot water is heavy (d) hot water is magnetic
25. 25.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? Which of these is kept the same? (a) sun or shade (b) the cling film cover (c) how many drops form
26. 26.💧 Which change is this: snow turning to water? (a) evaporation (b) freezing (c) condensation (d) melting
27. 27.💧 Which of these is evaporation? (a) wet clothes drying (b) ice becoming water (c) a pond icing over (d) snow turning to water
28. 28.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) some water evaporates (b) the water increases (c) it turns to salt (d) it turns to ice
29. 29.True or false: a puddle drying up is condensation. (a) False (b) True
30. 30.💧 What happens to water vapour when it touches the cold cling film? (a) it disappears (b) it turns to drops (c) it turns to salt (d) it turns to smoke
31. 31.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? Which of these is the one thing we change? (a) how many drops form (b) the cling film cover (c) sun or shade (d) the amount of water
32. 32.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: sun or shade is what we measure. (a) True (b) False
33. 33.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? Which of these is what we measure? (a) the cling film cover (b) how many drops form (c) the amount of water (d) the size of the bowl
34. 34.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) slower (b) they never dry (c) they turn to ice (d) faster
35. 35.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a balloon (b) a small cup (c) sunlight (d) a big bowl
36. 36.💧 Which change is this: butter going runny? (a) evaporation (b) melting (c) condensation (d) freezing
37. 37.🧺 Which of these is not needed for the water cycle bowl? (a) a balloon (b) cling film (c) sunlight (d) water
38. 38.💧 Which change is this: wet clothes drying? (a) evaporation (b) freezing (c) melting (d) condensation
39. 39.💧 Which change is this: a misty bathroom mirror? (a) freezing (b) melting (c) evaporation (d) condensation
40. 40.💧 Which of these is freezing? (a) ice becoming water (b) butter going runny (c) snow turning to water (d) water becoming ice

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